18875772

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^2\times {\mathrm{383}}^1$

素因数の和:467

約数の個数: 54

約数和(自身を含む): 49166208

約数和(自身を除く): 30290436

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 111, 148, 222, 333, 383, 444, 666, 766, 1149, 1332, 1369, 1532, 2298, 2738, 3447, 4107, 4596, 5476, 6894, 8214, 12321, 13788, 14171, 16428, 24642, 28342, 42513, 49284, 56684, 85026, 127539, 170052, 255078, 510156, 524327, 1048654, 1572981, 2097308, 3145962, 4718943, 6291924, 9437886, 18875772]

約数ペア:

[(1, 18875772), (2, 9437886), (3, 6291924), (4, 4718943), (6, 3145962), (9, 2097308), (12, 1572981), (18, 1048654), (36, 524327), (37, 510156), (74, 255078), (111, 170052), (148, 127539), (222, 85026), (333, 56684), (383, 49284), (444, 42513), (666, 28342), (766, 24642), (1149, 16428), (1332, 14171), (1369, 13788), (1532, 12321), (2298, 8214), (2738, 6894), (3447, 5476), (4107, 4596)]